Of the Following,which Is the Least Plausible Explanation for Why

Of the following,which is the least plausible explanation for why women continue to earn less than men?

A) Women have fewer years of experience than men,who are much less likely to step away from paying positions to care for children.
B) Women in the workforce,by choice or because of discrimination,are concentrated in lower-paying jobs.
C) The Equal Pay Act of 1963 protects gaps in pay between men and women based on seniority and performance,but not on sex itself.
D) Employers set lower pay rates in jobs filled mostly by women than in different jobs filled mostly by men requiring the same level of education.